71781985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{3499}}^1$

素因数の和:3888

約数の個数: 16

約数和(自身を含む): 94248000

約数和(自身を除く): 22466015

約数列:

[1, 5, 11, 55, 373, 1865, 3499, 4103, 17495, 20515, 38489, 192445, 1305127, 6525635, 14356397, 71781985]

約数ペア:

[(1, 71781985), (5, 14356397), (11, 6525635), (55, 1305127), (373, 192445), (1865, 38489), (3499, 20515), (4103, 17495)]